Installing Osb Roof Decking

Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.

Installing osb roof decking.

Provide a 1 8 inch gap. Osb is widely used as roof decking material. Avoid putting osb on wet roof trusses. Cover sheathing with.

Check the nailing surface is level step 2. Avoid installing osb with the textured side down. The textured surface helps flashing and waterproof underlay stay in place effectively. Properly fasten panels including fastening and spacing hints step 4.

When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used. When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material. A homeowner recently wrote and asked me the following regarding osb roof decking. Osb sheathing has different textures on both sides as well.

Fitting the roof decking. Drill pilot holes trough the rafters and insert the screws into the shed rafters after aligning the overhang at both ends. Install osb textured side up. Roof trusses must be dry when sheathing a roof with osb to prevent mold growth in the roof and coverage gaps as the trusses dry and shrink.

The screened surface also provides a little more traction for construction workers during installation. Osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up. And scroll down to see more details on each with installation hints and tips below. This is usually a prerequisite in building codes.

Ventilate the roof according to current building codes step 3. This instructional video covers how to store space and fasten osb oriented strand board roof sheathing including radiant barrier roof sheathing. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. Continue the woodworking project by fitting the plywood sheeting.

You may choose between sheets that measure half an inch or 3 4 of an inch thick.